Clothes are so last year! Miley Cyrus rocks silk lingerie as she parties in bra

Miley Cyrus heads out in lingerie to celebrate release of album [GETTY]

And seeing Miley Cyrus party in lingerie is pretty standard stuff now.

So the clothes-ditching, flesh-flashing, body-baring megastar celebrated the official release for her album Bangerz wearing her undies instead of regular clothes.

Rocking a baby pink bra, the 20-year-old showed off her tattooed body at the New York event, while wearing a matching satin skirt.

There was of course the obligatory bling, with gold bangles and neon white fingernails.

Meanwhile, as the Nashville songbird relishes the attention shrouding her fourth album, the follow-up to Can't Be Tamed, her continuing feud with Sinéad O'Connor soldiers on.

The Irish singer has now penned a FOURTH open letter to Miley in light of their spat which initially began with Sinéad offering advice to Miley on 'prostituting' herself to the music industry.

Miley was partying in New York as Bangerz hits shelves [GETTY]

Don't catch a chil! [SPLASH]

Love her or loather her, we can't stop talking about her [GETTY]

Posting the latest correspondence on her Facebook and website, Sinéad now recommends that Miley email her directly, handing out her address publicly.

She states: "I would very much like you please to apologise to myself and Amanda Bynes for having perpetuated abuse of both of us on the grounds that Amanda has had ‘mental health issues’ and that I experienced suicidal compulsion and was open about seeking help in order to save my life.

"This should also involve an apology to all sufferers of mental health difficulties and all those who have had experience of suicidal feelings or who have been affected by suicide.

"I’m not sure if you are aware that in your own country 7 out of every 100,000 people between the ages of 15 and 19 commit suicide every year…

"You’ve acknowledged most of your fans are “very young”. You might therefore consider being careful regarding what signals you send those of them who may be feeling suicidal..."

Sinéad stated that many lives could be saved if not for the "stigmatisation and bullying and buffooning of those perceived mistakenly or otherwise to have mental health issues".

She also revealed the extent of her own abuse, saying she had received "numerous communications from people urging me to commit suicide".

The mum-of-four later defends Miley, giving her the benefit of doubt of being "calculatedly evil", urging: "Please do the right thing. You will actually save lives by doing so.

"There are people who will NOT die tonight, if you are brave enough to state that there is nothing whatsoever wrong with any person seeking publicly or privately, help, in order to stay alive."